Portable telephone



FIG. 1 is a front, top, and left side perspective view showing our new design for a portable telephone in an opened position the broken line matter being for illustrative purposes only;

FIG. 2 is a front, top, and left side perspective view thereof in a closed position the broken line matter being for illustrative purposes only;

FIG. 3 is a rear elevational view thereof in an open position the broken line matter being for illustrative purposes only;

FIG. 4 is a right elevational view thereof the broken line matter being for illustrative purposes only;

FIG. 5 is a rear elevational view thereof in a closed position the broken line matter being for illustration purposes only;

FIG. 6 is a right elevational view thereof the broken line matter being for illustrative purposes only;

FIG. 7 is a bottom plan view thereof in an open position; and,

FIG. 8 is a bottom plan view thereof in a closed position.

The broken lines in FIGS. 1-6 form no part of the claimed design. 

The ornamental design for a portable telephone, as shown and described. 